19404972

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{13147}}^1$

素因数の和:13198

約数の個数: 36

約数和(自身を含む): 50251656

約数和(自身を除く): 30846684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 13147, 26294, 39441, 52588, 78882, 118323, 157764, 236646, 473292, 539027, 1078054, 1617081, 2156108, 3234162, 4851243, 6468324, 9702486, 19404972]

約数ペア:

[(1, 19404972), (2, 9702486), (3, 6468324), (4, 4851243), (6, 3234162), (9, 2156108), (12, 1617081), (18, 1078054), (36, 539027), (41, 473292), (82, 236646), (123, 157764), (164, 118323), (246, 78882), (369, 52588), (492, 39441), (738, 26294), (1476, 13147)]